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土工膜损伤特性及其工程应用研究
Researches on Characteristic Geomembrane with Damnification and Applications
【作者】 潘江;
【导师】 束一鸣;
【作者基本信息】 河海大学 , 水工结构工程, 2002, 硕士
【摘要】 土工膜在水利工程上的应用非常广泛,但土工膜本身也很容易受到损伤。本文针对土工膜的擦痕损伤进行了研究。 1、回顾土工膜的应用历史并结合具体工程实例介绍土工膜在水利工程上的广泛应用。 2、通过对几种不同土工膜在不同孔径下的液压胀破试验,总结出土工膜损伤后的应力应变规律和强度规律。 3、通过计算分析土工膜损伤对防渗效果的影响。 4、应用三维非线性有限元分析了土工膜损伤后在实际运行中的应力应变变化规律及影响大小。
【Abstract】 The geomembrane is widely used in hydraulic engineering, but it’s ease damnified. So,the characteristic of the geomembrane with damnification is studied in this paper.1. Reviewing the history about the application of the geomembrane, and introducing the wide use of the geomembrane in hydraulic engineering with the engineering instances.2. Through the hydraulic puncturing experiment under different material and different opening size, summarizing the rule of stress and strain and the rule of intensity about the geomembrane with damnification.3. Through the calculation , analyzing the influence of anti-seepage of the geomembrane with damnification.4.Analyzing the rule of stress and strain about the geomembrane with damnification in factual engineering with Three-Dimension non-liner FEM.
【Key words】 Geomembrane; Damnification; Hydraulic puncturing; Three-Dimension non-liner FEM;
- 【网络出版投稿人】 河海大学 【网络出版年期】2003年 02期
- 【分类号】TV49
- 【被引频次】9
- 【下载频次】304